Question: At what point in time did Western Asia have 8.5million children out of school?
Paraphrase: When did Western Asia have 8.5 million children who weren't in school?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q27293 p:P2573 ?s . ?s ps:P2573 ?x filter(contains(?x , '8.46034e+06')) . ?s pq:P585 ?value}